Rasmus Bisschop-Larsen wrote:
>
> I am trying to run libusbx on an unrooted android phone (Sony Ericson
> Xperia Active (Android 4.0.4)). But I have hit a major problem I
> cannot open the device. After looking at the libusbx code I can see
> that even though I know the device address and vid+pid I hit an error
> as [libusb_open] open 1.2 returns -3. (see debug code below). I do not
> have root access to my phone and I thought libusbx did not need this.
Did you read the Android README in the libusbx distribution? If you are
not rooted, and you cannot rebuild the system image, then you can try
using Java code to call android.hardware.usb.UsbManager to request the
permission you need.
--
Tim Roberts, t...@probo.com
Providenza & Boekelheide, Inc.
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